diff --git a/notebook/notebookapp.py b/notebook/notebookapp.py
index 8b0d5b153..913a8c4fe 100755
--- a/notebook/notebookapp.py
+++ b/notebook/notebookapp.py
@@ -240,11 +240,6 @@ class NotebookWebApplication(web.Application):
             iopub_data_rate_limit=jupyter_app.iopub_data_rate_limit,
             rate_limit_window=jupyter_app.rate_limit_window,
 
-            # maximum request sizes - support saving larger notebooks
-            # tornado defaults are 100 MiB, we increase it to 0.5 GiB
-            max_body_size = 512 * 1024 * 1024,
-            max_buffer_size = 512 * 1024 * 1024,
-
             # authentication
             cookie_secret=jupyter_app.cookie_secret,
             login_url=url_path_join(base_url,'/login'),